No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Sniper | Expert | 3.31 minutes |
| (Co-op) l4d_hospital02_subway | Sniper | Expert | 7.42 minutes |
| (Co-op) l4d_hospital03_sewers | Sniper | Expert | 7.60 minutes |
| (Co-op) l4d_hospital04_interior | Sniper | Expert | 6.08 minutes |
| (Co-op) l4d_hospital05_rooftop | Sniper | Expert | 12.27 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Sniper | Expert | 3.58 minutes |
| (Co-op) l4d_airport02_offices | Sniper | Expert | 7.83 minutes |
| (Co-op) l4d_airport03_garage | Sniper | Expert | 11.02 minutes |
| (Co-op) l4d_airport04_terminal | Sniper | Expert | 6.60 minutes |
| (Co-op) l4d_airport05_runway | Sniper | Expert | 12.56 minutes |
| (Co-op) l4d_airport05_runway | Sniper | Advanced | 7.16 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown04_mainstreet | Sniper | Expert | 8.31 minutes |
| (Co-op) l4d_smalltown05_houseboat | Sniper | Expert | 10.29 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Sniper | Expert | 4.47 minutes |
| (Co-op) l4d_farm01_hilltop | Sniper | Advanced | 6.97 minutes |
| (Co-op) l4d_farm02_traintunnel | Sniper | Expert | 5.77 minutes |
| (Co-op) l4d_farm02_traintunnel | Sniper | Advanced | 8.36 minutes |
| (Co-op) l4d_farm03_bridge | Sniper | Expert | 7.32 minutes |
| (Co-op) l4d_farm03_bridge | Sniper | Advanced | 12.02 minutes |
| (Co-op) l4d_farm04_barn | Sniper | Expert | 5.09 minutes |
| (Co-op) l4d_farm05_cornfield | Sniper | Expert | 8.45 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | Sniper | Expert | 4.75 seconds |
| (Co-op) l4d_garage02_lots | Sniper | Expert | 11.03 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Sniper | Expert | 3.58 minutes |
| (Co-op) l4d_airport02_offices | Sniper | Expert | 7.83 minutes |
| (Co-op) l4d_airport03_garage | Sniper | Expert | 11.02 minutes |
| (Co-op) l4d_airport04_terminal | Sniper | Expert | 6.60 minutes |
| (Co-op) l4d_airport05_runway | Sniper | Expert | 12.56 minutes |
| (Co-op) l4d_airport05_runway | Sniper | Advanced | 7.16 minutes |
| (Co-op) l4d_farm01_hilltop | Sniper | Expert | 4.47 minutes |
| (Co-op) l4d_farm01_hilltop | Sniper | Advanced | 6.97 minutes |
| (Co-op) l4d_farm02_traintunnel | Sniper | Expert | 5.77 minutes |
| (Co-op) l4d_farm02_traintunnel | Sniper | Advanced | 8.36 minutes |
| (Co-op) l4d_farm03_bridge | Sniper | Expert | 7.32 minutes |
| (Co-op) l4d_farm03_bridge | Sniper | Advanced | 12.02 minutes |
| (Co-op) l4d_farm04_barn | Sniper | Expert | 5.09 minutes |
| (Co-op) l4d_farm05_cornfield | Sniper | Expert | 8.45 minutes |
| (Co-op) l4d_garage01_alleys | Sniper | Expert | 4.75 seconds |
| (Co-op) l4d_garage02_lots | Sniper | Expert | 11.03 minutes |
| (Co-op) l4d_hospital01_apartment | Sniper | Expert | 3.31 minutes |
| (Co-op) l4d_hospital02_subway | Sniper | Expert | 7.42 minutes |
| (Co-op) l4d_hospital03_sewers | Sniper | Expert | 7.60 minutes |
| (Co-op) l4d_hospital04_interior | Sniper | Expert | 6.08 minutes |
| (Co-op) l4d_hospital05_rooftop | Sniper | Expert | 12.27 minutes |
| (Co-op) l4d_river02_barge | Sniper | Expert | 14.32 minutes |
| (Co-op) l4d_river02_barge | Sniper | Expert | 14.32 minutes |
| (Co-op) l4d_river03_port | Sniper | Expert | 7.91 minutes |
| (Co-op) l4d_river03_port | Sniper | Expert | 7.91 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Sniper | Expert | 8.31 minutes |
| (Co-op) l4d_smalltown05_houseboat | Sniper | Expert | 10.29 minutes |